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|
SET DEFAULT_STORAGE_ENGINE=InnoDB;
#
# Start of 10.2 tests
#
#
# MDEV-9711 NO PAD Collatons
#
SET NAMES utf8;
#
# Start of ctype_pad.inc
#
#
# Unique indexes
#
CREATE TABLE t1 (a VARCHAR(10) PRIMARY KEY) COLLATE 'utf8_general_nopad_ci';
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) NOT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_nopad_ci
INSERT INTO t1 VALUES ('abc'),('abc '),(' a'),(' a '),('a ');
SELECT HEX(a), a FROM t1 ORDER BY a;
HEX(a) a
2061 a
206120 a
61202020 a
616263 abc
6162632020 abc
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a;
HEX(a) a
2061 a
206120 a
61202020 a
616263 abc
6162632020 abc
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a DESC;
HEX(a) a
6162632020 abc
616263 abc
61202020 a
206120 a
2061 a
#
# UNION
#
CREATE TABLE t2 (a VARCHAR(10)) COLLATE 'utf8_general_nopad_ci';
INSERT INTO t2 VALUES ('abc '),('abc '),(' a'),('a ');
SELECT HEX(a),a FROM (SELECT * FROM t1 UNION SELECT * FROM t2 ORDER BY a) td;
HEX(a) a
2061 a
206120 a
6120 a
61202020 a
616263 abc
61626320 abc
6162632020 abc
DROP TABLE t1;
DROP TABLE t2;
#
# DISTINCT, COUNT, MAX
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'utf8_general_nopad_ci';
INSERT INTO t1 VALUES ('a'),('a '),(' a'),(' a '),('a ');
SELECT HEX(a), a FROM (SELECT DISTINCT a FROM t1 ORDER BY a) td;
HEX(a) a
2061 a
206120 a
61 a
612020 a
61202020 a
SELECT COUNT(DISTINCT a) FROM t1 ORDER BY a;
COUNT(DISTINCT a)
5
SELECT HEX(MAX(a)), MAX(a) FROM t1;
HEX(MAX(a)) MAX(a)
61202020 a
#
# GROUP BY
#
CREATE TABLE t2 (a VARCHAR(10), b int, c varchar(10)) COLLATE 'utf8_general_nopad_ci';
INSERT t2 values('ab', 12, 'cd'), ('ab', 2, 'ed'), ('aa', 20, 'er'), ('aa ', 0, 'er ');
SELECT HEX(a), cnt FROM (SELECT a, COUNT(a) AS cnt FROM t2 GROUP BY a ORDER BY a) AS td;
HEX(a) cnt
6161 1
61612020 1
6162 2
DROP TABLE t2;
#
# Weights
#
SELECT HEX(WEIGHT_STRING(a AS CHAR(10))) FROM t1;
HEX(WEIGHT_STRING(a AS CHAR(10)))
0041000000000000000000000000000000000000
0041002000200000000000000000000000000000
0020004100000000000000000000000000000000
0020004100200000000000000000000000000000
0041002000200020000000000000000000000000
DROP TABLE t1;
#
# IF, CASE, LEAST
#
SELECT IF('abc' COLLATE 'utf8_general_nopad_ci' = 'abc ', 'pad', 'nopad');
IF('abc' COLLATE 'utf8_general_nopad_ci' = 'abc ', 'pad', 'nopad')
nopad
SELECT CASE 'abc' COLLATE 'utf8_general_nopad_ci' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE 'abc' COLLATE 'utf8_general_nopad_ci' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT CASE WHEN 'abc' COLLATE 'utf8_general_nopad_ci' = 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE WHEN 'abc' COLLATE 'utf8_general_nopad_ci' = 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT HEX(LEAST('abc ' COLLATE 'utf8_general_nopad_ci', 'abc '));
HEX(LEAST('abc ' COLLATE 'utf8_general_nopad_ci', 'abc '))
61626320
SELECT HEX(GREATEST('abc ' COLLATE 'utf8_general_nopad_ci', 'abc '));
HEX(GREATEST('abc ' COLLATE 'utf8_general_nopad_ci', 'abc '))
6162632020
#
# Collation mix
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'utf8_general_ci';
INSERT INTO t1 VALUES ('a'),('a ');
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'utf8_general_ci';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'utf8_general_nopad_ci';
COUNT(*)
1
ALTER TABLE t1 MODIFY a VARCHAR(10) COLLATE 'utf8_general_nopad_ci';
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
1
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'utf8_general_ci';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'utf8_general_nopad_ci';
COUNT(*)
1
DROP TABLE t1;
#
# End of ctype_pad.inc
#
#
# Start of ctype_pad.inc
#
#
# Unique indexes
#
CREATE TABLE t1 (a VARCHAR(10) PRIMARY KEY) COLLATE 'utf8_nopad_bin';
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(10) NOT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_nopad_bin
INSERT INTO t1 VALUES ('abc'),('abc '),(' a'),(' a '),('a ');
SELECT HEX(a), a FROM t1 ORDER BY a;
HEX(a) a
2061 a
206120 a
61202020 a
616263 abc
6162632020 abc
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a;
HEX(a) a
2061 a
206120 a
61202020 a
616263 abc
6162632020 abc
SELECT HEX(a), a FROM t1 IGNORE INDEX(PRIMARY) ORDER BY a DESC;
HEX(a) a
6162632020 abc
616263 abc
61202020 a
206120 a
2061 a
#
# UNION
#
CREATE TABLE t2 (a VARCHAR(10)) COLLATE 'utf8_nopad_bin';
INSERT INTO t2 VALUES ('abc '),('abc '),(' a'),('a ');
SELECT HEX(a),a FROM (SELECT * FROM t1 UNION SELECT * FROM t2 ORDER BY a) td;
HEX(a) a
2061 a
206120 a
6120 a
61202020 a
616263 abc
61626320 abc
6162632020 abc
DROP TABLE t1;
DROP TABLE t2;
#
# DISTINCT, COUNT, MAX
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'utf8_nopad_bin';
INSERT INTO t1 VALUES ('a'),('a '),(' a'),(' a '),('a ');
SELECT HEX(a), a FROM (SELECT DISTINCT a FROM t1 ORDER BY a) td;
HEX(a) a
2061 a
206120 a
61 a
612020 a
61202020 a
SELECT COUNT(DISTINCT a) FROM t1 ORDER BY a;
COUNT(DISTINCT a)
5
SELECT HEX(MAX(a)), MAX(a) FROM t1;
HEX(MAX(a)) MAX(a)
61202020 a
#
# GROUP BY
#
CREATE TABLE t2 (a VARCHAR(10), b int, c varchar(10)) COLLATE 'utf8_nopad_bin';
INSERT t2 values('ab', 12, 'cd'), ('ab', 2, 'ed'), ('aa', 20, 'er'), ('aa ', 0, 'er ');
SELECT HEX(a), cnt FROM (SELECT a, COUNT(a) AS cnt FROM t2 GROUP BY a ORDER BY a) AS td;
HEX(a) cnt
6161 1
61612020 1
6162 2
DROP TABLE t2;
#
# Weights
#
SELECT HEX(WEIGHT_STRING(a AS CHAR(10))) FROM t1;
HEX(WEIGHT_STRING(a AS CHAR(10)))
0061000000000000000000000000000000000000
0061002000200000000000000000000000000000
0020006100000000000000000000000000000000
0020006100200000000000000000000000000000
0061002000200020000000000000000000000000
DROP TABLE t1;
#
# IF, CASE, LEAST
#
SELECT IF('abc' COLLATE 'utf8_nopad_bin' = 'abc ', 'pad', 'nopad');
IF('abc' COLLATE 'utf8_nopad_bin' = 'abc ', 'pad', 'nopad')
nopad
SELECT CASE 'abc' COLLATE 'utf8_nopad_bin' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE 'abc' COLLATE 'utf8_nopad_bin' WHEN 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT CASE WHEN 'abc' COLLATE 'utf8_nopad_bin' = 'abc ' THEN 'pad' ELSE 'nopad' END;
CASE WHEN 'abc' COLLATE 'utf8_nopad_bin' = 'abc ' THEN 'pad' ELSE 'nopad' END
nopad
SELECT HEX(LEAST('abc ' COLLATE 'utf8_nopad_bin', 'abc '));
HEX(LEAST('abc ' COLLATE 'utf8_nopad_bin', 'abc '))
61626320
SELECT HEX(GREATEST('abc ' COLLATE 'utf8_nopad_bin', 'abc '));
HEX(GREATEST('abc ' COLLATE 'utf8_nopad_bin', 'abc '))
6162632020
#
# Collation mix
#
CREATE TABLE t1 (a VARCHAR(10)) COLLATE 'utf8_bin';
INSERT INTO t1 VALUES ('a'),('a ');
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'utf8_bin';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'utf8_nopad_bin';
COUNT(*)
1
ALTER TABLE t1 MODIFY a VARCHAR(10) COLLATE 'utf8_nopad_bin';
SELECT COUNT(*) FROM t1 WHERE a='a';
COUNT(*)
1
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'utf8_bin';
COUNT(*)
2
SELECT COUNT(*) FROM t1 WHERE a='a' COLLATE 'utf8_nopad_bin';
COUNT(*)
1
DROP TABLE t1;
#
# End of ctype_pad.inc
#
#
# End of 10.2 tests
#
#
# Start of 10.4 tests
#
SET NAMES utf8mb3 COLLATE utf8mb3_unicode_nopad_ci;
#
# MDEV-30034 UNIQUE USING HASH accepts duplicate entries for tricky collations
#
EXECUTE IMMEDIATE REPLACE(
'CREATE TABLE t1 ( '
' a TEXT COLLATE <COLLATION>,'
'UNIQUE(a(3)))',
'<COLLATION>', @@collation_connection);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` text CHARACTER SET utf8mb3 COLLATE utf8mb3_unicode_nopad_ci DEFAULT NULL,
UNIQUE KEY `a` (`a`(3))
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('ss ');
INSERT INTO t1 VALUES (_utf8mb3 0xC39F20)/*SZ+SPACE*/;
ERROR 23000: Duplicate entry 'ß ' for key 'a'
DROP TABLE t1;
EXECUTE IMMEDIATE REPLACE(
'CREATE TABLE t1 ( '
' a TEXT COLLATE <COLLATION>,'
'UNIQUE(a(3)) USING HASH)',
'<COLLATION>', @@collation_connection);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` text CHARACTER SET utf8mb3 COLLATE utf8mb3_unicode_nopad_ci DEFAULT NULL,
UNIQUE KEY `a` (`a`(3)) USING HASH
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('ss ');
INSERT INTO t1 VALUES (_utf8mb3 0xC39F20)/*SZ+SPACE*/;
ERROR 23000: Duplicate entry 'ß ' for key 'a'
DROP TABLE t1;
EXECUTE IMMEDIATE REPLACE(
'CREATE TABLE t1 ( '
' a VARCHAR(2000) COLLATE <COLLATION>,'
'UNIQUE(a(3)))',
'<COLLATION>', @@collation_connection);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(2000) CHARACTER SET utf8mb3 COLLATE utf8mb3_unicode_nopad_ci DEFAULT NULL,
UNIQUE KEY `a` (`a`(3))
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('ss ');
INSERT INTO t1 VALUES (_utf8mb3 0xC39F20)/*SZ+SPACE*/;
ERROR 23000: Duplicate entry 'ß ' for key 'a'
DROP TABLE t1;
EXECUTE IMMEDIATE REPLACE(
'CREATE TABLE t1 ( '
' a VARCHAR(2000) COLLATE <COLLATION>,'
'UNIQUE(a(3)) USING HASH)',
'<COLLATION>', @@collation_connection);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(2000) CHARACTER SET utf8mb3 COLLATE utf8mb3_unicode_nopad_ci DEFAULT NULL,
UNIQUE KEY `a` (`a`(3)) USING HASH
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('ss ');
INSERT INTO t1 VALUES (_utf8mb3 0xC39F20)/*SZ+SPACE*/;
ERROR 23000: Duplicate entry 'ß ' for key 'a'
DROP TABLE t1;
EXECUTE IMMEDIATE REPLACE(
'CREATE TABLE t1 ( '
' a CHAR(20) COLLATE <COLLATION>,'
'UNIQUE(a(3)))',
'<COLLATION>', @@collation_connection);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(20) CHARACTER SET utf8mb3 COLLATE utf8mb3_unicode_nopad_ci DEFAULT NULL,
UNIQUE KEY `a` (`a`(3))
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('ss ');
INSERT INTO t1 VALUES (_utf8mb3 0xC39F20)/*SZ+SPACE*/;
DROP TABLE t1;
EXECUTE IMMEDIATE REPLACE(
'CREATE TABLE t1 ( '
' a CHAR(20) COLLATE <COLLATION>,'
'UNIQUE(a(3)) USING HASH)',
'<COLLATION>', @@collation_connection);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` char(20) CHARACTER SET utf8mb3 COLLATE utf8mb3_unicode_nopad_ci DEFAULT NULL,
UNIQUE KEY `a` (`a`(3)) USING HASH
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
INSERT INTO t1 VALUES ('ss ');
INSERT INTO t1 VALUES (_utf8mb3 0xC39F20)/*SZ+SPACE*/;
DROP TABLE t1;
#
# End 10.4 tests
#
|
